Retaining Walls in Seaford, NY

Seaford sits on some of the lowest-lying terrain in Nassau County, bordered by Seamans Creek and the canal system that connects to the Great South Bay. The water table here is among the highest on Long Island — in some blocks near the waterfront, saturated soil can be found within 12 to 18 inches of the surface during wet seasons. This makes drainage engineering behind retaining walls not just important but absolutely critical to structural survival.

Despite these moisture challenges, Seaford homeowners are active investors in outdoor improvements. The community has a strong boating and outdoor culture, and backyards are viewed as primary living space from spring through fall. Retaining walls serve as the structural framework for these outdoor living areas — creating raised patio zones for dining and entertaining, framing pool decks, and defining planting areas that add color and life to otherwise flat yards.

Many Seaford homes were built in the 1950s and 1960s and have original landscape features that are failing. Railroad tie walls are particularly common here — and particularly problematic. The constant moisture exposure accelerates rot, and the shifting soil undermines foundations that were never properly engineered. We frequently replace these failing timber walls with interlocking block systems that include the drainage infrastructure the original installations lacked.

Seaford falls within the Town of Hempstead, and building permits are required for retaining walls exceeding 4 feet. Brothers Paving handles all permitting as part of our standard project management.